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United States Patent | 6,177,740 |
Burns | January 23, 2001 |
An electric motor and motor drive unit assembly includes a motor assembly having a housing and a motor rotatably coupled within the housing. A power distribution bus is coupled to the housing. The power distribution bus is coupled to an end cap of the motor. A plurality of semiconductor switches are coupled to the power distribution bus. The motor and drive assembly further includes a drive assembly having a case coupled to the power distribution bus. The case is electrically isolated from and is in thermal communication with the power distribution bus. The case has a plurality of openings therethrough. An interconnect circuit board is disposed within the case and is electrically coupled to the power distribution bus through the plurality of openings. A system control board is disposed within the case and is electrically coupled to the interconnect board.
Inventors: | Burns; Jeffrey H. (Kokomo, IN) |
Assignee: | Delphi Technologies, Inc. (Troy, MI) |
Appl. No.: | 240158 |
Filed: | January 29, 1999 |
Current U.S. Class: | 310/68R; 310/64; 310/89 |
Intern'l Class: | H02K 011/00; H02K 001/32; H02K 005/00 |
Field of Search: | 310/68 R,64,70 R,89,68 B,68 D,65,85 123/41.31 361/717 318/254 |
4557225 | Dec., 1985 | Sagues et al. | 123/41. |
4605986 | Aug., 1986 | Bentz et al. | 361/717. |
4668898 | May., 1987 | Harms et al. | 318/254. |
4988905 | Jan., 1991 | Tolmie, Jr. | 310/68. |
5491370 | Feb., 1996 | Schneider et al. | 310/54. |
5640062 | Jun., 1997 | Yockey | 310/68. |
5814909 | Sep., 1998 | Yamada et al. | 310/64. |
5939807 | Aug., 1999 | Patyk et al. | 310/89. |